a. Not subject to an obligation imposed on others; exempt: immune from being eliminated in a contest.
b. Having legal immunity: immune from taxation.
2. Not affected by a given influence; unresponsive: immune to persuasion.
a. Of or relating to immunity or an immune response.
b. Having resistance to a specific pathogen.
c. Having or producing sensitized antibodies or lymphocytes that react to specific antigens: immune serum.
[Middle English, from Latin immūnis; see mei-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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